<template>
  <div>
    
    <button @click="aa">按钮1</button>
    <button @click="bb(10,20,$event) ">按钮2</button>

  </div>
</template>

<script>
export default {
  methods: {
    aa (e){
      console.log(e.target);
    },
    bb (n, m, e){
      console.log(e.target);
      console.log(n+m);
    }
  }
}
</script>

<style>

</style>